Kramer-electronics RC-53DLC Manual do Utilizador descarregar pdf (Página 10)

Defining the RC-53DLC

Figure 2 and Table 2 define the RC-53DLC rear panel for the European version.

Figure 4: RC-53DLC European Version– Rear Panel

Table 4: RC-53DLC European Version – Rear Panel Features

Feature

Function

Program USB Connector

Connect to a computer for firmware upgrade

Grounding Screw

Connect to grounding wire (see Section 4.3)

RS-232 Terminal Block

For factory use only

K-NET Terminal Block

Connect the GND to the Ground connection

, connect B (-) and A (+)

to RS-485, and connect +12V to +12V on the companion unit

K-NET Terminal Block

PROG Switch

For technical support use only (should be set to the right in the direction of

the arrow for normal operation)

K-NET TERM Switch

Slide downwards (in the direction of the arrow) for K-NET termination, slide

upwards to leave bus unterminated. The last physical device on a K-NET

bus must be terminated

You can reach the KNET termination switch by inserting a small screwdriver

into the gap between the rear panel PCB and the metal rear panel cover.

When the unit is connected via K-NET to a Master Room Controller, you can upgrade the firmware via the USB or ETH ports of the

Master Room Controller

The ground connection is sometimes connected to the shield of the RS-485 cable (in most applications, it is not connected)

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Kramer-electronics RC-53DLC Manual do Utilizador Página 10